题目内容

   Your body,which has close relations with the food you eat,is the most important thing you own,so it needs proper treatment and proper nourishment (营养)  .The old saying “An apple a day keeps the doctor away. ” is not so sil?ly as some people think. The body needs fruit and vegetables because they contain vitamin   C.

   Many people take extra (额外的) vitamins in pill form (丸剂) ,believing that these will make them healthy. But a good diet is made up of nourishing food and this gives all the vitamins you need. The body doesn’t need or use extra vi?tamins,so why waste money on them?

In the modern western world,many people are too busy to bother about eating properly. They throw anything into their stomachs,eating hurriedly and carelessly. The list of illnesses caused or made worse by bad eating habits is frightening.

1. The underlined words really mean that         .

   A. all kinds of food you eat can be made into your body

   B. your body is made up of the food you eat

   C. what you eat has a great effect on your health

   D. the more you eat,the better you will feel

2. The old saying referred to in the passage tells us that         .

   A. the apple is the best among all kinds of fruit

   B. apples can take the place of doctors

   C. eating apples regularly does lots of good to our health

   D. an apple is a sure cure for illness

3. In the second paragraph,the writer tries to let us know         .

   A. our bodies need food,or we can’t live

   B. often eating apples is a good habit

   C. taking extra vitamin pills is completely useless

   D. a good diet is of great importance to our health

4. In the modern western countries,       .

   A. people don’t pay much attention to their eating

   B. lots of people’s illnesses are caused or made worse by bad eating habits

   C. people throw everything into their stomachs without chewing

   D. people are only too busy to cook meals for themselves

5. From the passage we can draw a conclusion that if we want to keep healthy,we should        .

   A. only eat an apple a day

   B. eat properly

   C. take as many vitamin pills as possible

   D. throw something into our stomachs slowly and carefully

B1. C 推理判断题。“你的身体和你所吃的食物有密切的关系”意思是说“你吃的东西对你的健康有很大的影响”。

2. C细节理解题。谚语“一天一个苹果,医生远离我”说明经常吃苹果对我们的健康有好处。

3. D推理判断题。由第二段可知,丰富的饮食就能为我们提供足够的维生素,没有必要去花钱买维生素制剂。

4. D推理判断题。由最后一段第一句可知选D.

5. B主旨大意题。从全文的论述看,作者想说明合理饮食的重要性,故选B.

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  Scientist Florence Wambugu works with farmers in Kenya, a country in East Africa. She helps them grow bigger and better crops. Wambugu is especially interested in finding simple ways to produce more food.

In the past ten years,Wambugu has spent much of her time studying sweet potatoes, which are an important food in her part of Kenya. A virus kept attacking the plants. It stopped the sweet potatoes from growing well. Because of the virus,some farmers lost three quarters of their crops.

Wambugu went to war against the virus. Her search for a way to save the sweet potatoes led to a lab in St. Louis, Missouri.

  The lab mainly works on genes, the chemical " computer programs" found in the cells of living things. Genes tell a plant to produce pink flowers or an animal to grow black hair. Now scientists have found ways to move genes from one living thing to another. That process is called genetic engineering.

  Wambugu spent three years in the lab. As a result, she created a sweet potato plant that could fight off the virus. Wambugu tested her research in Kenya, and her plants produced won?derful sweet potatoes.

  That's just the beginning, Wambugu believes. Genetically modified foods, she thinks,could help farmers in poor countries grow badly-needed crops,thus,fewer people will go hun?gry-

(   ) 1 . The text is written mainly to        .

   A.tell us sweet potatoes are in danger of being attacked by virus

   B.introduce Wambugu's contribution to genetic engineering

   C.introduce a new way of killing plant viruses

   D.tell how hard Wambugu worked in her lab for three years

(   ) 2. What caused Wambugu to set up a lab in St. Louis, Missouri?

   A.Her wish to save sweet potatoes inKenya.

   B.Her great interest in genetic engineering.

   C.her love for sweet potatoes.

   D.Her interest in plant life.

(   ) 3. The fourth paragraph mainly explains what        is.

   A. a crop virus   B. chemical technology

   C.  a computer program   D. genetic engineering

(   ) 4. What is Wambugu's attitude toward "genetic engineering"?

   A.It will help more hungry people.

   B.It should be carefully used.

   C.It has more disadvantages than advantages.

   D.It is a too expensive technology at present.

(   ) 5. According to the passage, which of the following is NOT true?

  A.Florence Wambugu often helps farmers with their work.

   B.Florence Wambugu has studied sweet potatoes for 10 years.

   C.Genes can be moved from one thing to another.

   D.Florence Wambugu has succeeded in creating a genetically modified sweet pota?toes.

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